[PATCH] stm32: stm32-hash: Add kmalloc_array allocation check

[Herbert Xu]

On Sat, Feb 25, 2023 at 07:14:29AM +0800, Li kunyu wrote:
> 
> hello senior:
>   'rctx->hw_context' is a member of the rctx pointer array object and will pass 'memcpy(out, rctx, sizeof(*rctx)) at the end of the function;  ', copied to the out pointer memory, it cannot be released, I think this patch does an allocation check on the 'rctx->hw_context' pointer should help a bit.

Ugh that's completely broken.  You can't export pointers.

I guess this driver needs to be disabled.

Thanks,
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt